Maine · Half Marathon
Half Marathons in Maine
Maine currently has 10 upcoming half marathons with a confirmed date listed in RaceRove. They take place in Portland, Arundel, Augusta and Baileyville and elsewhere.
June (2), September (2) and October (2) are the busiest months on the calendar right now. Another 14 annual half marathons are waiting for next year's date to be announced.
- Upcoming, date confirmed
- 10
- Active listings
- 24
- Cities with races
- 19
More ways to browse Maine
Upcoming half marathons in Maine
All 10 with a confirmed date, soonest first.
Dates come from each race's own listing. Always confirm on the organiser's site before you book travel.
Largest half marathon events in Maine
By estimated field size across all distances at the event.
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Shipyard Old Port Half Marathon & 5KPortland, ME Usually held in June · date not confirmedHalf Marathon5K ~5,000 runners
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Maine Coast Marathon, Half Marathon & 5KWells, ME Usually held in May · date not confirmedMarathonHalf Marathon5K ~4,000 runners
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Millinocket Marathon & HalfMillinocket, ME Usually held in December · date not confirmedMarathonHalf Marathon ~2,000 runners
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Mount Desert Island Marathon, Half & RelayBar Harbor, ME Usually held in October · date not confirmedMarathonHalf MarathonRelay ~1,800 runners
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Portland MarathonPortland, ME Usually held in October · date not confirmedMarathonHalf ~1,200 runners
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Acadia Half Marathon & 10KBar Harbor, ME Usually held in June · date not confirmedHalf Marathon10K ~1,000 runners
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Bar Harbor Bank & Trust Half Marathon and Fall 5KBar Harbor, ME Usually held in September · date not confirmedHalf Marathon5K ~700 runners
When half marathons happen in Maine
- April
- 1 upcoming race
- May
- 1 upcoming race
- June
- 2 upcoming races
- July
- 1 upcoming race
- September
- 2 upcoming races
- October
- 2 upcoming races
- November
- 1 upcoming race
Maine cities with the most half marathons
- Portland
- 1 upcoming race
- Arundel
- 1 upcoming race
- Augusta
- 1 upcoming race
- Baileyville
- 1 upcoming race
- Bangor
- 1 upcoming race
- Bath
- 1 upcoming race
- Bridgton
- 1 upcoming race
- Greenville
- 1 upcoming race
Annual events awaiting their next date
These half marathons are held every year, but the next date isn't in the listing yet. The month shown is when each is usually held.
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Shipyard Old Port Half Marathon & 5KPortland, ME Usually held in June · date not confirmedHalf Marathon5K ~5,000 runners
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Maine Coast Marathon, Half Marathon & 5KWells, ME Usually held in May · date not confirmedMarathonHalf Marathon5K ~4,000 runners
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Millinocket Marathon & HalfMillinocket, ME Usually held in December · date not confirmedMarathonHalf Marathon ~2,000 runners
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Mount Desert Island Marathon, Half & RelayBar Harbor, ME Usually held in October · date not confirmedMarathonHalf MarathonRelay ~1,800 runners
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Portland MarathonPortland, ME Usually held in October · date not confirmedMarathonHalf ~1,200 runners
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Acadia Half Marathon & 10KBar Harbor, ME Usually held in June · date not confirmedHalf Marathon10K ~1,000 runners
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Bar Harbor Bank & Trust Half Marathon and Fall 5KBar Harbor, ME Usually held in September · date not confirmedHalf Marathon5K ~700 runners
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Mousam Lake Sanford Marathon, Half Marathon, 10K & 5KSanford, ME Usually held in June · date not confirmedMarathonHalf Marathon10K5K ~400 runners
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Lincoln Marathon, Half Marathon, 10K & 5KLincoln, ME Usually held in September · date not confirmedMarathonHalf Marathon10K5K ~300 runners
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Autumn & Ales 5K, 10K, and 1/2 MarathonScarborough, ME Usually held in September · next date not announcedHalf Marathon5K10K
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Bradbury Badass RacesPownal, ME Usually held in September · next date not announcedPounderHalf-Pint
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Lincoln Marathon - Full/Half/10K/5KLincoln, ME Usually held in September · next date not announcedMarathonHalf Marathon10K5K
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The Waldoboro Half MarathonWaldoboro, ME Usually held in September · next date not announcedHalf Marathon5K
Half Marathons in nearby states
Guides from the RaceRove blog
- 7 min read How to Find a 5K, 10K, Half Marathon or Marathon Near You A practical way to find running races near you: pick a distance, decide how far you'll travel, read the listing properly and confirm the details before you register.
- 8 min read How to Choose the Best Half Marathon for a PR, Racecation or 50-State Challenge The best half marathon depends on what you want from it. How to choose a course for a personal record, a race worth travelling for, or an efficient stop on a 50-state challenge.
- 9 min read How to Run a Race in All 50 States How to plan a 50-state running challenge: set your own rules, group states into trips, build a calendar around the seasons, budget for it and keep track of every finish.
- Blog All guides Planning advice for finding, choosing and travelling to races.
Half Marathons in Maine: common questions
- How many half marathons are there in Maine?
- RaceRove currently lists 10 upcoming half marathons in Maine with a confirmed date, plus 14 annual events whose next date hasn't been announced yet.
- How long is a half marathon?
- A half marathon is 13.1 miles (21.1 kilometres).
- Which Maine cities have the most half marathons?
- By upcoming events listed in RaceRove: Portland (1), Arundel (1), Augusta (1), Baileyville (1) and Bangor (1).
- When is half marathon season in Maine?
- Of the upcoming half marathons listed, the busiest months are June (2), September (2) and October (2).
- What is the biggest half marathon in Maine?
- By estimated field size, the largest event with a half marathon listed in Maine is the Shipyard Old Port Half Marathon & 5K, with about 5,000 runners across all of its distances.
Search every half marathon in Maine
Filter by month, course profile and field size, save races to a shortlist and compare them side by side in the interactive search.